Home / 897,623,179.20-1,238,625,622.08-521,206,187.04

Finding the Fourth Proportional to 897,623,179.20, 1,238,625,622.08 and 521,206,187.04

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Solution

The fourth proportional to 897,623,179.20, 1,238,625,622.08 and 521,206,187.04 is: 719,209,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,623,179.20 : 1,238,625,622.08 = 521,206,187.04 : x
  2. Step 2: Convert to fraction form
    897,623,179.20/1,238,625,622.08 = 521,206,187.04/x
  3. Step 3: Cross multiply
    897,623,179.20x = 1,238,625,622.08 × 521,206,187.04
  4. Step 4: Simplify right side
    897,623,179.20x = 645,579,337,654,364,800
  5. Step 5: Solve for x
    x = 645,579,337,654,364,800/897,623,179.20
  6. Step 6: Final answer
    x = 719,209,744.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.